// LineDisplayDemoDlg.cpp : implementation file
//

#include "stdafx.h"
#include "LineDisplayDemo.h"
#include "LineDisplayDemoDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CLineDisplayDemoDlg dialog




CLineDisplayDemoDlg::CLineDisplayDemoDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CLineDisplayDemoDlg::IDD, pParent)
{
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

CLineDisplayDemoDlg::~CLineDisplayDemoDlg()
{
	CloseLD();
	CDialog::~CDialog();
}

void CLineDisplayDemoDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CLineDisplayDemoDlg, CDialog)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
	ON_BN_CLICKED(ID_DISPLAY, &CLineDisplayDemoDlg::OnBnClickedDisplay)
	ON_BN_CLICKED(ID_BTN_CLR_TEXT, &CLineDisplayDemoDlg::OnBnClickedBtnClrText)
	ON_BN_CLICKED(ID_BTN_DISPLAY_SCROLL, &CLineDisplayDemoDlg::OnBnClickedBtnDisplayScroll)
END_MESSAGE_MAP()


// CLineDisplayDemoDlg message handlers

BOOL CLineDisplayDemoDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon

	BOOL bRet = InitializeLD(5);
	if(bRet)
	{
		bRet = OpenLD();
	}
	
	if(!bRet)
	{
		MessageBox(_T("Fail to open line display, please check whether the port is right !"), _T("Error"), MB_ICONERROR);
		return FALSE;
	}

	return TRUE;  // return TRUE  unless you set the focus to a control
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CLineDisplayDemoDlg::OnPaint()
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this function to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CLineDisplayDemoDlg::OnQueryDragIcon()
{
	return static_cast<HCURSOR>(m_hIcon);
}


void CLineDisplayDemoDlg::OnBnClickedDisplay()
{
	// TODO: Add your control notification handler code here

	CString strText1(_T("0123456789"));
	CString strText2(_T("Welcome !"));
	CDialog::GetDlgItemTextW(IDC_EDIT_1STLINE, strText1);
	CDialog::GetDlgItemTextW(IDC_EDIT_2NDLINE, strText2);
	
	DisplayText(strText1, strText1.GetLength());

	DisplayText(strText2, strText2.GetLength(), 1);
	
}


void CLineDisplayDemoDlg::OnBnClickedBtnClrText()
{
	ClearText();
}

void CLineDisplayDemoDlg::OnBnClickedBtnDisplayScroll()
{
	CString strText;
	CDialog::GetDlgItemTextW(IDC_EDIT_1STLINE, strText);
	ScrollText(strText);
}
